<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Tests\Caster;

use PHPUnit\Framework\TestCase;
use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Test\VarDumperTestTrait;
use Symfony\Component\VarDumper\Tests\Fixtures\ExtendsReflectionTypeFixture;
use Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo;
use Symfony\Component\VarDumper\Tests\Fixtures\LotsOfAttributes;
use Symfony\Component\VarDumper\Tests\Fixtures\NotLoadableClass;
use Symfony\Component\VarDumper\Tests\Fixtures\Php82NullStandaloneReturnType;
use Symfony\Component\VarDumper\Tests\Fixtures\ReflectionIntersectionTypeFixture;
use Symfony\Component\VarDumper\Tests\Fixtures\ReflectionNamedTypeFixture;
use Symfony\Component\VarDumper\Tests\Fixtures\ReflectionUnionTypeFixture;
use Symfony\Component\VarDumper\Tests\Fixtures\ReflectionUnionTypeWithIntersectionFixture;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
class ReflectionCasterTest extends TestCase
{
    use VarDumperTestTrait;

    public function testReflectionCaster()
    {
        $var = new \ReflectionClass(\ReflectionClass::class);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionClass {
                  +name: "ReflectionClass"
                %Aimplements: array:%d [
                %A]
                  constants: array:%d [
                    0 => ReflectionClassConstant {
                      +name: "IS_IMPLICIT_ABSTRACT"
                      +class: "ReflectionClass"
                      modifiers: "public"
                      value: 16
                    }
                    1 => ReflectionClassConstant {
                      +name: "IS_EXPLICIT_ABSTRACT"
                      +class: "ReflectionClass"
                      modifiers: "public"
                      value: %d
                    }
                    2 => ReflectionClassConstant {
                      +name: "IS_FINAL"
                      +class: "ReflectionClass"
                      modifiers: "public"
                      value: %d
                    }
                %A]
                  properties: array:%d [
                    "name" => ReflectionProperty {
                %A    +name: "name"
                      +class: "ReflectionClass"
                %A    modifiers: "public"
                    }
                %A]
                  methods: array:%d [
                %A
                    "__construct" => ReflectionMethod {
                      +name: "__construct"
                      +class: "ReflectionClass"
                %A    parameters: {
                        $%s: ReflectionParameter {
                %A         position: 0
                %A
                }
                EOTXT,
            $var
        );
    }

    public function testClosureCaster()
    {
        $a = $b = 123;
        $var = function ($x) use ($a, &$b) { var_dump($a, $b); };

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                Closure($x) {
                %Ause: {
                    $a: 123
                    $b: & 123
                  }
                  file: "%sReflectionCasterTest.php"
                  line: "%s"
                }
                EOTXT,
            $var
        );
    }

    public function testFromCallableClosureCaster()
    {
        $var = [
            (new \ReflectionMethod($this, __FUNCTION__))->getClosure($this),
            (new \ReflectionMethod(__CLASS__, 'stub'))->getClosure(),
        ];

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                array:2 [
                  0 => Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest::testFromCallableClosureCaster() {
                    this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                    file: "%sReflectionCasterTest.php"
                    line: "%d to %d"
                  }
                  1 => Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest::stub(): void {
                    returnType: "void"
                    file: "%sReflectionCasterTest.php"
                    line: "%d to %d"
                  }
                ]
                EOTXT,
            $var
        );
    }

    public function testClosureCasterExcludingVerbosity()
    {
        $var = function &($a = 5) {};

        $this->assertDumpEquals('Closure&($a = 5) { …5}', $var, Caster::EXCLUDE_VERBOSE);
    }

    public function testReflectionParameter()
    {
        $var = new \ReflectionParameter(reflectionParameterFixture::class, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "arg1"
                  position: 0
                  allowsNull: true
                  typeHint: "Symfony\Component\VarDumper\Tests\Fixtures\NotLoadableClass"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionParameterScalar()
    {
        $f = function (int $a) {};
        $var = new \ReflectionParameter($f, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "a"
                  position: 0
                  typeHint: "int"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionParameterMixed()
    {
        $f = function (mixed $a) {};
        $var = new \ReflectionParameter($f, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "a"
                  position: 0
                  allowsNull: true
                  typeHint: "mixed"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionParameterUnion()
    {
        $f = function (int|float $a) {};
        $var = new \ReflectionParameter($f, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "a"
                  position: 0
                  typeHint: "int|float"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionParameterNullableUnion()
    {
        $f = function (int|float|null $a) {};
        $var = new \ReflectionParameter($f, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "a"
                  position: 0
                  allowsNull: true
                  typeHint: "int|float|null"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionParameterIntersection()
    {
        $f = function (\Traversable&\Countable $a) {};
        $var = new \ReflectionParameter($f, 0);

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionParameter {
                  +name: "a"
                  position: 0
                  typeHint: "Traversable&Countable"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionPropertyScalar()
    {
        $var = new \ReflectionProperty(ReflectionNamedTypeFixture::class, 'a');
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionProperty {
                  +name: "a"
                  +class: "Symfony\Component\VarDumper\Tests\Fixtures\ReflectionNamedTypeFixture"
                  modifiers: "public"
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionNamedType()
    {
        $var = (new \ReflectionProperty(ReflectionNamedTypeFixture::class, 'a'))->getType();
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionNamedType {
                  name: "int"
                  allowsNull: false
                  isBuiltin: true
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionUnionType()
    {
        $var = (new \ReflectionProperty(ReflectionUnionTypeFixture::class, 'a'))->getType();
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionUnionType {
                  allowsNull: false
                  types: array:2 [
                    0 => ReflectionNamedType {
                      name: "string"
                      allowsNull: false
                      isBuiltin: true
                    }
                    1 => ReflectionNamedType {
                      name: "int"
                      allowsNull: false
                      isBuiltin: true
                    }
                  ]
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionIntersectionType()
    {
        $var = (new \ReflectionProperty(ReflectionIntersectionTypeFixture::class, 'a'))->getType();
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionIntersectionType {
                  allowsNull: false
                  types: array:2 [
                    0 => ReflectionNamedType {
                      name: "Traversable"
                      allowsNull: false
                      isBuiltin: false
                    }
                    1 => ReflectionNamedType {
                      name: "Countable"
                      allowsNull: false
                      isBuiltin: false
                    }
                  ]
                }
                EOTXT,
            $var
        );
    }

    public function testReflectionUnionTypeWithIntersection()
    {
        $var = (new \ReflectionProperty(ReflectionUnionTypeWithIntersectionFixture::class, 'a'))->getType();
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                ReflectionUnionType {
                  allowsNull: true
                  types: array:2 [
                    0 => ReflectionIntersectionType {
                      allowsNull: false
                      types: array:2 [
                        0 => ReflectionNamedType {
                          name: "Traversable"
                          allowsNull: false
                          isBuiltin: false
                        }
                        1 => ReflectionNamedType {
                          name: "Countable"
                          allowsNull: false
                          isBuiltin: false
                        }
                      ]
                    }
                    1 => ReflectionNamedType {
                      name: "null"
                      allowsNull: true
                      isBuiltin: true
                    }
                  ]
                }
                EOTXT,
            $var
        );
    }

    public function testExtendsReflectionType()
    {
        $var = new ExtendsReflectionTypeFixture();
        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
                Symfony\Component\VarDumper\Tests\Fixtures\ExtendsReflectionTypeFixture {
                  allowsNull: false
                }
                EOTXT,
            $var
        );
    }

    public function testReturnType()
    {
        $f = function (): int {};

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                Closure(): int {
                  returnType: "int"
                  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
                  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            $f
        );
    }

    public function testMixedReturnType()
    {
        $f = function (): mixed {};

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                Closure(): mixed {
                  returnType: "mixed"
                  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
                  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            $f
        );
    }

    public function testNullReturnType()
    {
        $className = Php82NullStandaloneReturnType::class;

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                {$className}::foo(null \$bar): null {
                  returnType: "null"
                  this: {$className} { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            (new Php82NullStandaloneReturnType())->foo(...)
        );
    }

    public function testUnionReturnType()
    {
        $f = function (): int|float {};

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                Closure(): int|float {
                  returnType: "int|float"
                  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
                  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            $f
        );
    }

    public function testNullableUnionReturnType()
    {
        $f = function (): int|float|null {};

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                Closure(): int|float|null {
                  returnType: "int|float|null"
                  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
                  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            $f
        );
    }

    public function testGenerator()
    {
        if (\extension_loaded('xdebug')) {
            $this->markTestSkipped('xdebug is active');
        }

        $generator = new GeneratorDemo();
        $generator = $generator->baz();

        $expectedDump = <<<'EODUMP'
            Generator {
              function: "Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::baz"
              this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
              %s: {
                %sGeneratorDemo.php:12 {
                  Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo->baz()
                  › 
                  › public function baz()
                  › {
                }
                Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo->baz() {}
            %A}
              closed: false
            }
            EODUMP;

        $this->assertDumpMatchesFormat($expectedDump, $generator);

        foreach ($generator as $v) {
            break;
        }

        $expectedDump = <<<'EODUMP'
            array:2 [
              0 => ReflectionGenerator {
                this: Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo { …}
                %s: {
                  %s%eTests%eFixtures%eGeneratorDemo.php:%d {
                    Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo()
                    › {
                    ›     yield 1;
                    › }
            %A    }
                  %s%eTests%eFixtures%eGeneratorDemo.php:20 { …}
                  %s%eTests%eFixtures%eGeneratorDemo.php:14 { …}
            %A  }
                closed: false
              }
              1 => Generator {
                function: "Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo"
                %s: {
                  %s%eTests%eFixtures%eGeneratorDemo.php:%d {
                    Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::foo()
                    › {
                    ›     yield 1;
                    › }
                  }
            %A  }
                closed: false
              }
            ]
            EODUMP;

        $r = new \ReflectionGenerator($generator);
        $this->assertDumpMatchesFormat($expectedDump, [$r, $r->getExecutingGenerator()]);

        foreach ($generator as $v) {
        }

        $expectedDump = <<<'EODUMP'
            Generator {
              function: "Symfony\Component\VarDumper\Tests\Fixtures\GeneratorDemo::baz"
              closed: true
            }
            EODUMP;
        $this->assertDumpMatchesFormat($expectedDump, $generator);
    }

    public function testNewInInitializer()
    {
        $f = function ($a = new \stdClass()) {};

        $this->assertDumpMatchesFormat(
            <<<EOTXT
                Closure(\$a = new stdClass) {
                  class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
                  this: Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest { …}
                  file: "%s"
                  line: "%s"
                }
                EOTXT,
            $f
        );
    }

    public function testReflectionClassWithAttribute()
    {
        $var = new \ReflectionClass(LotsOfAttributes::class);

        $this->assertDumpMatchesFormat(<<<EOTXT
            ReflectionClass {
              +name: "Symfony\Component\VarDumper\Tests\Fixtures\LotsOfAttributes"
            %A  attributes: array:1 [
                0 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\MyAttribute"
                  arguments: []
                }
              ]
            %A
            }
            EOTXT,
            $var
        );
    }

    public function testReflectionMethodWithAttribute()
    {
        $var = new \ReflectionMethod(LotsOfAttributes::class, 'someMethod');

        $this->assertDumpMatchesFormat(<<<EOTXT
            ReflectionMethod {
              +name: "someMethod"
              +class: "Symfony\Component\VarDumper\Tests\Fixtures\LotsOfAttributes"
            %A  attributes: array:1 [
                0 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\MyAttribute"
                  arguments: array:1 [
                    0 => "two"
                  ]
                }
              ]
            %A
            }
            EOTXT,
            $var
        );
    }

    public function testReflectionPropertyWithAttribute()
    {
        $var = new \ReflectionProperty(LotsOfAttributes::class, 'someProperty');

        $this->assertDumpMatchesFormat(<<<EOTXT
            ReflectionProperty {
              +name: "someProperty"
              +class: "Symfony\Component\VarDumper\Tests\Fixtures\LotsOfAttributes"
            %A  attributes: array:1 [
                0 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\MyAttribute"
                  arguments: array:2 [
                    0 => "one"
                    "extra" => "hello"
                  ]
                }
              ]
            }
            EOTXT,
            $var
        );
    }

    public function testReflectionClassConstantWithAttribute()
    {
        $var = new \ReflectionClassConstant(LotsOfAttributes::class, 'SOME_CONSTANT');

        $this->assertDumpMatchesFormat(<<<EOTXT
            ReflectionClassConstant {
              +name: "SOME_CONSTANT"
              +class: "Symfony\Component\VarDumper\Tests\Fixtures\LotsOfAttributes"
              modifiers: "public"
              value: "some value"
              attributes: array:2 [
                0 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\RepeatableAttribute"
                  arguments: array:1 [
                    0 => "one"
                  ]
                }
                1 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\RepeatableAttribute"
                  arguments: array:1 [
                    0 => "two"
                  ]
                }
              ]
            }
            EOTXT,
            $var
        );
    }

    public function testReflectionParameterWithAttribute()
    {
        $var = new \ReflectionParameter([LotsOfAttributes::class, 'someMethod'], 'someParameter');
  
        $this->assertDumpMatchesFormat(<<<EOTXT
            ReflectionParameter {
              +name: "someParameter"
              position: 0
              attributes: array:1 [
                0 => ReflectionAttribute {
                  +name: "Symfony\Component\VarDumper\Tests\Fixtures\MyAttribute"
                  arguments: array:1 [
                    0 => "three"
                  ]
                }
              ]
            %A
            }
            EOTXT,
            $var
        );
    }

    public static function stub(): void
    {
    }
}

function reflectionParameterFixture(?NotLoadableClass $arg1, $arg2)
{
}
